export const treeData = [
    {
      title: 'React开发技巧',
      key: '1',
      children: [
        {
          title: '基础技巧',
          key: '1-1',
          children: [
            {
              title: '组件可重用性',
              key: '1-1-1',
            },
            {
              title: '默认属性',
              key: '1-1-2',
            },
            {
              title: 'Prop类型',
              key: '1-1-3',
            },
          ],
        },
        {
          title: '熟悉 API',
          key: '1-2',
          children: [
            {
              title: 'leaf',
              key: '1-2-1',
            },
          ],
        },
        {
          title: '高级特性',
          key: '1-3',
          children: [
            {
              title: 'leaf',
              key: '1-3-1',
            },
            {
              title: 'leaf',
              key: '1-3-2',
            },
          ],
        },
      ],
    },
    {
      title: 'React开发上遇到的问题',
      key: '2',
      children: [
        {
          title: '基础技巧',
          key: '2-1',
          children: [
            {
              title: '组件可重用性',
              key: '2-1-1',
            },
            {
              title: '默认属性',
              key: '2-1-2',
            },
            {
              title: 'Prop类型',
              key: '2-1-3',
            },
          ],
        },
      ]
    }
  ];
